Fram Extra Guard Engine Air Filter Replacement, Easy Install W/Advanced Engine Protection And Optimal Performance, Ca3492 For Select Buick, Cadillac, Chevrolet, Gmc And Oldsmobile Vehicles

Using The Same Laser Welding Process As The Iridium Power Spark Plug, Denso Designed A Long Life Spark Plug Factory-Installed On Luxury Vehicles By Automakers Such As Gm, Toyota, Honda And Mitsubishi. Using Its Patented Iridium Alloy, Denso Was Able To Shrink The Center Electrode To 0. 7Mm, Dramatically Improving Ignitability And Longevity.